Yannick Bisson Detective William Murdoch Actor Helene Joy Dr. Julia Ogden Actor Jonny Harris Constable George Crabtree Actor Thomas Craig Inspector Thomas Brackenreid Actor Dmitry Chepovetsky Nikola Tesla Actor Tamara Hope Edna Garrison Actor Patrick Garrow Allen Fawkes Actor A.C. Peterson Edwin Dodd Actor David Huband Daniel Pratt Actor Kristin Fairlie Petunia Actor Tamsen McDonough Alice Howard Actor Maureen Jennings Writer Cal Coons Writer, Executive Producer Alexandra Zarowny Writer R.B. Carney Writer Farhad Mann Director Jean Greig Writer Scott Garvie Executive Producer Laura Harbin Co-Producer Noel Hedges Executive Producer Christina Jennings Executive Producer Shane Kinnear Co-Producer Julie Lacey Co-Producer Jan Peter Meyboom Producer Peter Mitchell Executive Producer Derek Schreyer Creative Producer Robert Carli Original Music David Perrault Cinematographer Tom Joerin Film Editor Deirdre Bowen Casting Sandra Kybartas Production Design Armando Sgrignuoli Art Director Andrew Kawczynski Set Decoration David Maltese Set Decoration Alex Reda Costume Design